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.the latter being provided with clusters of needles, constructed either of ahollow'or tubular @uitrit faire' @sind ffies..V

ANSON i R. BROWN, OF LITCHFIELD, ASSIGN S ONE-'HALF' INTEREST TO GARDNER HERRICK, 0F ALBION, MICHIGAN.

Letters Patent No. `60,917, dated January l, 1867.

IMPROVEMENT IN INSTRUMENTS POR AGU-PUNGTURATIN.

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TO ALL WHOM IT MAY CONGERN:

" Be it known that I, ANSON R. BROWN, of Litchfield, in the county of Hillsdale, have made a new and useful improved Instrument for the Introduction of an Irritating Cuticle; and I do hereby declare the following to be a full, clear, and exact description of the nature, construction, and operation of the same, suiiicient to enable one skilled in the art to which it appertains to construct and use the` same, reference being had to the accompanying drawing, which is made part of this specication, and in which- Y Figure 1 is a central vertical section through the same.

Figure 2 is a section on the line a b, tig. 1.

Figure 3 is an enlarged view of the plunger, with needle attached.

Figure 4, d e f, represents three modifications in the form of the needles which I propose to use.

The improved medical instrument consists of a plunger, armed with needles o'a peculiar construction, for the purpose of'penetrating the cuticle by a blow with the whole instrumen-t, with the cap removed that covers the armed end, upon the upper end of the plunger, the irritant, which is contained within the chamber of the instrument, being introduced between or through themeedlesinto the openings in the skin. This mode of treatment will supersede, to a great extent, the use of blisters, irritating plaster-s, counterrritants, linaments, lite., as Well as the merely m/echanical means, turing, leeches, setons, die.. Its action is varied compound with which it is charged. y

In the drawings, A is the bodyof the case; B, the cap;

and' C, the shoe; D is a diaphragm or partition, and E an opening, L, through it, for the purpose of charging the chamber F with the irritant iiuid which it is designed to introduce into the skin."

Y Gnismamblock, pierced with holes, and occupying a position at the lower end of the case A. Occupying an axial position Vin the case is a plunger, H, which has a. shank and, a head,

and `State of Michigan, Compound through the and the other usual medical such las scar'ifying, cupping, puncform, or two or more separate pointed spurs or spikes, having their origin in one solid base, and converging toward their points, or converging needles in a cluster, as shown in iig. 1, w

hich penetrate thel holes in the block Gr, and projecting beyond its outer surface, are adapted to pierce the skin upon which they are laid to the extent of their protrusion.l This is regulated by the set-screw I, which bears upon the upper end of the shank'of the plunger forcing .the ends of the needles out from the face of the blgglim'.

I do not claim a hollow or tubular needle for aou-puncturation; but I claim the channelled puncturng point, formed by twoA or more converging points, substantially as described.

I also claim the perforated block jG, for retainin substantially as specied. A, l

ANsoN e. BROWN. Witnesses i E. THORNTON, LEVI C. SMITH.

'g the medicine in the reservoir except at the needle holes,

,.to some extent, by the character of the constituentsin the 

